(physics) to concentrate light

a female given name

Kyūjitai form of 発光 (“luminescence, emission of light”)

Kyūjitai form of 発光 (“to emit light”)

optical line

bold typeface

(pathology, immunology) pathogen

(physics) an isotope

a blanket term for various styles of Japanese hand-to-hand martial arts, either wholly unarmed or using short weapons / jujutsu / short for 武神館武道体術(ぶじんかんぶどうたいじゅつ) (Bujinkan Budō Taijutsu)

powder